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Geospatial Techniques: GPS Surveying and Resection Method

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Geospatial Techniques: GPS Surveying and Resection Method

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Questions and Answers

What is the primary advantage of using differential positioning in GPS surveying?

Cancellation of correlated errors (correct)

Improved signal strength

Increased satellite visibility

Reduced baseline length

What is the minimum number of satellites required for RTK surveying?

5 (correct)

What is the primary difference between RTK and traditional DGPS?

Algorithm used (correct)

Number of satellites required

Signal frequency

Baseline length

What is the purpose of the CORS network in India?

To establish a network of reference stations Signup and view all the answers

What is the solution used in RTK surveying?

Carrier phase Signup and view all the answers

What is the typical baseline length for RTK surveying?

10-20 km Signup and view all the answers

What is the primary function of the RTCM protocol?

To provide GPS corrections Signup and view all the answers

What is the benefit of using RTK surveying in real-time?

All of the above Signup and view all the answers

What is the primary difference between the traditional DGPS and RTK in terms of protocol?

Older vs. newer protocol Signup and view all the answers

What is the advantage of using differential positioning in post-processing?

Improved accuracy Signup and view all the answers